1000221222011 has 12 divisors (see below), whose sum is σ = 1099470237096. Its totient is φ = 909247753920.

The previous prime is 1000221221983. The next prime is 1000221222017. The reversal of 1000221222011 is 1102221220001.

It is not a de Polignac number, because 1000221222011 - 2⁶ = 1000221221947 is a prime.

It is a super-2 number, since 2×1000221222011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000221222017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2436920 + ... + 2817626.

It is an arithmetic number, because the mean of its divisors is an integer number (91622519758).

Almost surely, 2^{1000221222011} is an apocalyptic number.

1000221222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000221222011 is a deficient number, since it is larger than the sum of its proper divisors (99249015085).

1000221222011 is a wasteful number, since it uses less digits than its factorization.

1000221222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402442 (or 402431 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1000221222011 its reverse (1102221220001), we get a palindrome (2102442442012).

The spelling of 1000221222011 in words is "one trillion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".